 package com.baidu.ueditor;
 
 public class Encoder
 {
   public static String toUnicode(String input)
   {
     StringBuilder builder = new StringBuilder();
     char[] chars = input.toCharArray();
     char[] arrayOfChar1;
     int j = (arrayOfChar1 = chars).length; for (int i = 0; i < j; i++) { char ch = arrayOfChar1[i];
       
       if (ch < 'Ā') {
         builder.append(ch);
       } else {
         builder.append("\\u" + Integer.toHexString(ch & 0xFFFF));
       }
     }
     
 
     return builder.toString();
   }
 }
